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곱셈 2자리 X 2자리

1

		2	1
		9	8
	1	6	8
1	8	9	0
2	0	5	8

2

		1	8
		4	2
		3	6
	7	2	0
	7	5	6

3

		1	7
		1	4
		6	8
	1	7	0
	2	3	8

4

		7	1
		3	9
	6	3	9
2	1	3	0
2	7	6	9

5

		1	5
		6	3
		4	5
	9	0	0
	9	4	5

6

		5	6
		4	4
	2	2	4
2	2	4	0
2	4	6	4

7

		8	1
		1	2
	1	6	2
	8	1	0
	9	7	2

8

		3	2
		5	8
	2	5	6
1	6	0	0
1	8	5	6

9

		6	4
		8	5
	3	2	0
5	1	2	0
5	4	4	0

10

		6	0
		4	9
	5	4	0
2	4	0	0
2	9	4	0

11

		1	6
		8	2
		3	2
1	2	8	0
1	3	1	2

12

		3	6
		1	0
			0
	3	6	0
	3	6	0

13

		2	1
		2	8
	1	6	8
	4	2	0
	5	8	8

14

		9	8
		4	9
	8	8	2
3	9	2	0
4	8	0	2

15

		8	2
		5	3
	2	4	6
4	1	0	0
4	3	4	6

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